unconformable
Americanadjective
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not conformable; not conforming.
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Geology. indicating discontinuity of any type in a stratigraphic sequence.
adjective
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not conformable or conforming
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(of rock strata) consisting of a series of younger strata that do not succeed the underlying older rocks in age or in parallel position, as a result of a long period of erosion or nondeposition
Other Word Forms
Etymology
Origin of unconformable
First recorded in 1585–95; un- 1 + conformable
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I’m always going to talk about what makes people unconformable.
From Los Angeles Times ● Feb. 20, 2025
It is critical at a time of public health crisis to be aware of the line between panic and preparation, to speak tough and unconformable truths without being alarmist.
From Washington Times ● Mar. 9, 2020
In America, therefore, the lowest Tertiary strata appear to rest conformably upon the highest Cretaceous; whereas in Europe, the succession at this point is invariably an unconformable one.
From The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science by Henry Alleyne Nicholson
She still vibrated to the feeling of unconformable forces in the old house.
From The Abandoned Room by Wadsworth Camp
The older half of this Laurentian series is unconformable to the newer portion of the same.
From The Student's Elements of Geology by Sir Charles Lyell
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